Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Interest and dividend income:
Loans, including fees	$ 8,899	$ 8,814
Securities:
Taxable	449us-gaap_InterestIncomeSecuritiesTaxable	406us-gaap_InterestIncomeSecuritiesTaxable
Tax exempt	139	136
Dividends	74us-gaap_DividendIncomeOperating	86us-gaap_DividendIncomeOperating
Other Interest	66us-gaap_OtherInterestAndDividendIncome	66us-gaap_OtherInterestAndDividendIncome
	9,627	9,508
Interest expense:
Deposits	535us-gaap_InterestExpenseDeposits	573us-gaap_InterestExpenseDeposits
Other borrowed funds	121	112
Subordinated debentures	41	41
	697us-gaap_InterestExpense	726us-gaap_InterestExpense
Net interest income	8,930us-gaap_InterestIncomeExpenseNet	8,782us-gaap_InterestIncomeExpenseNet
Provision for loan losses	(78)us-gaap_ProvisionForLoanAndLeaseLosses	494us-gaap_ProvisionForLoanAndLeaseLosses
Net interest income after provision for loan losses	9,008	8,288
Noninterest income:
Service charges on deposit accounts	353	391
Trust fees	58	55
Income from bank owned life insurance and annuity assets	176	159
Mortgage banking income	59	58
Electronic refund check / deposit fees	2,095ovbc_ElectronicRefundCheckDepositFees	2,648ovbc_ElectronicRefundCheckDepositFees
Debit / credit card interchange income	538	504
Gain (loss) on other real estate owned	15	(12)
Gain on sale of ProAlliance Corporation		135us-gaap_GainLossOnSaleOfBusiness
Other	195	180
	3,489us-gaap_NoninterestIncome	4,118us-gaap_NoninterestIncome
Noninterest expense:
Salaries and employee benefits	4,400us-gaap_LaborAndRelatedExpense	4,377us-gaap_LaborAndRelatedExpense
Occupancy	402us-gaap_OccupancyNet	398us-gaap_OccupancyNet
Furniture and equipment	178us-gaap_EquipmentExpense	180us-gaap_EquipmentExpense
FDIC insurance	166	127
Data processing	368	321
Foreclosed assets	35us-gaap_ForeclosedRealEstateExpense	61us-gaap_ForeclosedRealEstateExpense
Other	1,878us-gaap_OtherNoninterestExpense	1,831us-gaap_OtherNoninterestExpense
	7,427us-gaap_NoninterestExpense	7,295us-gaap_NoninterestExpense
Income before income taxes	5,070	5,111
Provision for income taxes	1,446us-gaap_IncomeTaxExpenseBenefit	1,547us-gaap_IncomeTaxExpenseBenefit
NET INCOME	$ 3,624us-gaap_NetIncomeLoss	$ 3,564us-gaap_NetIncomeLoss
Earnings per share (in Dollars per share)	$ 0.88us-gaap_EarningsPerShareBasic	$ 0.87us-gaap_EarningsPerShareBasic

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Amount of operating dividend income on securities.

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Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.

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Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits.

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The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets.

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Amount of expense recognized during the period for the foreclosure on real estate assets.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.

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